1 // Copyright 2017 Espressif Systems (Shanghai) PTE LTD
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 #pragma once
15 
16 # include "export.h"
17 # include "randombytes.h"
18 
19 SODIUM_EXPORT
20 extern const struct randombytes_implementation randombytes_esp32_implementation;
21 
22 /* Defining RANDOMBYTES_DEFAULT_IMPLEMENTATION here allows us to compile with the ESP32 hardware
23    implementation as the default. No need to call randombytes_set_implementation().
24 
25    Doing it in the header like this is easier than passing it via a -D argument to gcc.
26 */
27 #undef RANDOMBYTES_DEFAULT_IMPLEMENTATION
28 #define RANDOMBYTES_DEFAULT_IMPLEMENTATION &randombytes_esp32_implementation
29